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Uncaught Error: SECURITY_ERR: DOM Exception 18 when I try to set a cookie
... pops up, if you try to create a web worker with data URI scheme.
var w = new Worker('data:text/javascript;charset=utf-8,onmessage%20%3D%20function()%20%7B%20postMessage(%22pong%22)%3B%20%7D'); w.postMessage('ping');
It's not allowed according to the standard: http://www.whatwg.org/specs/web-apps...
MySQL, update multiple tables with one query
...rderID,
Orders.Quantity AS CurrentQuantity,
Orders.Quantity + 2 AS NewQuantity,
Books.InStock AS CurrentStock,
Books.InStock - 2 AS NewStock
FROM Books
INNER JOIN Orders ON Books.BookID = Orders.BookID
WHERE Orders.OrderID = 1002;
UPDATE Books
INNER JOIN Orders ON Books.BookID = Ord...
Altering a column: null to not null
...g the table. In some cases, changing the schema of a table requires that a new table be created, the data copied over from the old and the old table dropped. Because an error in this process could result in data loss, SSMS warns you and, by default, prevents you from doing it.
–...
Mailto links do nothing in Chrome but work in Firefox?
...ot to do with this? I want Chrome to open Thunderbird instead of opening a new instance of Chrome.
– Peter Flynn
Mar 11 '15 at 22:19
...
Can I use Objective-C blocks as properties?
...
With xCode 4.4 or newer you dont need to synthesize. That will make it even more concise. Apple Doc
– Eric
Nov 8 '12 at 4:28
...
Best way to add page specific JavaScript in a Rails 3 app?
...//= require_tree ./global // requires all js files in global folder
in a new admin.js manifest file
//= require_tree ./admin // requires all js files in admin folder
Make sure this new js manifest is loaded by editing config/production.rb
config.assets.precompile += %w( admin.js )
Then adjus...
How do I call ::std::make_shared on a class with only protected or private constructors?
...al properly generates errors.
retval = A::create("George");
retval = new A(A::this_is_private{0});
return ::std::move(retval);
}
Edit 2017-01-06: I changed this to make it clear that this idea is clearly and simply extensible to constructors that take arguments because other people were p...
Disabling swap files creation in vim
...
Just FYI for people who are new (like me haha...) you do you have to do go to ~/.vim/ and make the directories yourself. It won't auto create them for you.
– aug
Sep 25 '15 at 18:00
...
Getting back old copy paste behaviour in tmux, with mouse
... \;\
display 'Mouse: OFF'
# zoom this pane to full screen
bind + \
new-window -d -n tmux-zoom 'clear && echo TMUX ZOOM && read' \;\
swap-pane -s tmux-zoom.0 \;\
select-window -t tmux-zoom
# restore this pane
bind - \
last-window \;\
swap-pane -s tmux-zoom.0 \;...
What is the difference between substr and substring?
... use or assume the existence of these features and behaviours when writing new ECMAScript code. …")
– T S
Nov 1 '18 at 13:52
...